Aprilia SXV 550 (2006 – 2007)

The Aprilia SXV 550 embodies the perfect blend of off-road capability and on-road performance, making it an intriguing addition to the supermoto scene. Its 77-degree V-twin engine is a marvel of compact design, featuring a single piece crankshaft, wet-sleeve liners, and four titanium valves per head.

The result is a powerplant that can rev as high as 13,000 rpm in the SXV 4.5 model, with a torquey character at low to medium rpm in the RXV enduro variant. Aprilia’s innovative design allows for multiple motorcycles to be derived from the same engine unit, catering to different riding styles and preferences.

With its lightweight construction and exceptional power output, the SXV 550 promises an exhilarating riding experience that defies traditional boundaries between on- and off-road capabilities. And with its impressive array of advanced materials used in its design, it’s clear that Aprilia has spared no expense in creating a true masterpiece of motorcycle engineering. The Aprilia SXV 550 is poised to revolutionize the world of supermoto and enduro motorcycles.

Key Specifications

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Engine

Performance

*n/a – information not provided by manufacturer

Transmission

Electrical & Electronics System

Chassis & Suspension

Wheels & Brakes

Dimension & Weights

Features

• 77 degree V-angle engine design
• Compact size due to internal cylinder construction and replaceable wet-sleeve liners
• Single-piece crankshaft for lightness and small size
• Single overhead cam on each cylinder head
• Compressed mixture ratio of 12:1 in the 5.5 engine and 12.5:1 in the 4.5
• Four titanium valves per head
• Oversquare bore dimensions (80x55mm in 5.5 motor, 76×49.5mm in 4.5)
• Electronic fuel injection with 38mm throttle bodies on the 4.5 and 40mm on the 5.5
• Engine management handled by an ECU
• Motard version designed to rev higher
• RXV enduro makes less power, but more torque at low-medium rpm
• Use of expensive materials like aluminum silicon alloy, magnesium, and titanium
• Engine weight: 71.4 pounds (claimed)
• Frame is a steel trellis press-fitted into forged aluminum sideplates
• Non-counterbalanced motor used as a stressed member for added stiffness
• Aluminum swingarm on the SXV and RXV models
• Rear wheel up to 6.5 inches in diameter on the motard model
• Jumbo front forks (48mm on the SXV, 45mm on the enduro) with preload adjustment